ARFAH HUSNA; ADE IRMA SAFITRI; DARMAWI; AZWAR; FITRAH REYALDI. THE INFLUENCE OF KNOWLEDGE AND SUPPORT OF COMMUNITY LEADERS IN THE APPLICATION OF 3 R (REDUCE, REUSE, RECYCLE) IN HOUSEHOLD WASTE IN JOHAN PAHLAWAN DISTRICT, ACEH BARAT DISTRICT. JournalNX 2021, 6, 611-619.